C-B Online Practice Exam

CSLB General Building (B) License: Practice Examination

$120.00

What this exam covers

Practice questions for the California CSLB General Building (B) license exam, delivered online and graded instantly. Per the state's classification, a B contractor may "contract to construct or superintend or engage in the construction of any building, highway, road, parking facility, railroad, excavation, or other structure." Works on any device, including iPad. See the official CSLB B classification.


8 exams · over 800 questions


Sample questions

  1. Insulation is installed only after the:
    A. rough framing inspection · B. plumbing is complete · ✓ C. rough wiring is complete · D. rough plumbing is complete
  2. What is the largest hole that can be drilled in a double stud?
    A. 25 percent of the stud · B. 30 percent of the stud · C. 40 percent of the stud · ✓ D. 60 percent of the stud
  3. What is the minimum nailing spacing on the outer edge of the sheetrock?
    A. 3/8" from edge: 6 in. o.c · B. 1/2" from edge: 12 in. o.c · ✓ C. 3/8" from edge: 8 in o.c · D. 1/2" from edge: 8 in. o.c
  4. Which of the following is a vertical window in a projection built out from a sloping roof?
    A. A lintel · B. A gable · C. A gambrel · ✓ D. A dormer
  5. Which of the following is used to fasten a mudsill to the foundation?
    A. 12" bolts · ✓ B. 10" bolts · C. 8" bolts · D. 6" bolts

Proven results

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